Home / 131,640.08-197,050.62-71,518.22

Finding the Fourth Proportional to 131,640.08, 197,050.62 and 71,518.22

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Solution

The fourth proportional to 131,640.08, 197,050.62 and 71,518.22 is: 107,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,640.08 : 197,050.62 = 71,518.22 : x
  2. Step 2: Convert to fraction form
    131,640.08/197,050.62 = 71,518.22/x
  3. Step 3: Cross multiply
    131,640.08x = 197,050.62 × 71,518.22
  4. Step 4: Simplify right side
    131,640.08x = 14,092,709,592.30
  5. Step 5: Solve for x
    x = 14,092,709,592.30/131,640.08
  6. Step 6: Final answer
    x = 107,054.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.